<?php
 
    header("Content-type:text/html; charset=utf-8");
     require_once 'db_conn.php';
    $conn;
 
    $sql = "SELECT * FROM  t_message";
    $result = $conn->query($sql);
    //print_r($result);
 
   //echo $result->field_count;
    
    echo "<pre>";
    //print_r($result->fetch_array());
   $rows = $result->fetch_all(MYSQLI_ASSOC);
   print_r($rows);
   foreach ($rows as $value){
       echo "</br>";
       echo $value['username'] . " 说: ".$value['content'];
   }
 

